Features:- Lightweight, compact, highlighted in one. Head lace with Lycra ingredients, wear comfortable.- Life waterproof, rain, corrosion! Easy to deal with the harsh environment in the wild.- Elastic band combined with ergonomic and humanized design concept to create a long time to wear the function is not fatigue. But also very light weight.- High brightness, long life, long battery life.- Lightweight, compact, easy to use and simple.- Rechargeable headlights, easy to use and durable environmental protection.- Easy to carry, it is a good helper for outdoor travel.- Wear and decay, is good enough, feel good, non-slip in place, fully waterproof design, O-ring seal waterproof.- Suitable for camping, night fishing, caving, night riding, emergency self-defense, hunting and other outdoor activities.

Notes:- Ensure battery has enough power and battery installation is right.- Fill the battery if don't use for long time,discharge charge the battery every three months.- Don't put it into water for long time.- Can not directly illuminate the eyes.- The voltage should not exceed 4.2V.- Applying vaseline oil on O type sealing waterproof ring 2 or 3 times a year.- Avoid placing in sun or high temperature environment.- Avoid contact with sun,water,chemicals and corrosive gases for long time.- Check the positive and negative of the charger when you charge the battery.- Don't use hands and paper clean the lens.